Particle recovery device for powder spraying and rust removal

By installing a rolling contact cylinder and a rolling contact tube on the particle suction head of the powder spraying rust removal particle recovery device, the problems of friction and wear between the suction head and the ground and the lack of adjustability of the hand handle are solved. This achieves rolling contact of the suction head and telescopic adjustment of the hand handle, improving the ease of use and comfort of the device.

CN223719272UActive Publication Date: 2025-12-26JIANGSU RENSHENG AUTO PARTS CO LTD
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Patent Information

Application Number
CN202520146937.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-22
Publication Date
2025-12-26
Estimated Expiration
2035-01-22

AI Technical Summary

Technical Problem

Existing sandblasting rust removal particle recovery devices have suction heads that are prone to friction and wear against the ground, and the handle length is not adjustable, resulting in poor applicability.

Method used

A trapezoidal cylindrical suction head was designed with a rolling contact cylinder mounted on it. The hand handle adopts a telescopic structure, and the rolling contact of the suction head and the telescopic adjustment of the hand handle are achieved through a threaded connection.

Benefits of technology

The problem of friction and wear between the suction head and the ground has been solved, and the hand handle can be adjusted according to the user's height, improving the ease of use and comfort of the device.

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Abstract

The utility model provides a particle recovery device for powder spraying and rust removal, and relates to the technical field of recovery. The device body is provided with a particle suction head in the left-right direction, the whole particle suction head is of a trapezoidal cylindrical structure, the end face of the bottom of the rear wall of the particle suction head is provided with an arc-shaped strip-shaped groove in the left-right direction, and the left end and the right end of the arc-shaped strip-shaped groove of the particle suction head are both provided with fixing holes penetrating in the left-right direction. A connecting cylinder in the vertical direction is arranged in the middle of the top of the particle suction head, and an annular groove with threads is formed in the inner circumference of the top of the connecting cylinder of the particle suction head, so that a rolling contact cylinder is conveniently installed on the particle suction head through a fixing shaft to rotate, and the rolling contact cylinder rotates to make contact with the ground; the problems that when the suction head sucks and recycles particles on the ground, the suction head is prone to being abraded due to friction with the ground, and contact measures are inconvenient to be additionally arranged on the suction head so that the suction head can make rolling contact with the ground are solved.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the recovery technical field especially relates to a granule recovery device for powder spraying rust removal. BACKGROUND

[0002] Powder spraying is a coating process that makes powder coating adhere to the workpiece by using the phenomenon of corona discharge, that is, through high-voltage electrostatic field, the negatively charged powder coating particles are adsorbed on the surface of the workpiece, and through the steps of heat melting and solidification, a coating film is formed on the surface of the workpiece. Before powder spraying, the workpiece surface needs to be treated for rust removal, and the rust removal methods include chemical rust removal, sand blasting rust removal, manual rust removal, mechanical rust removal, and electrochemical rust removal.

[0003] Based on the above, the present inventor found that the existing sand blasting rust removal granule recovery device has the following disadvantages:

[0004] 1. When the suction head is used to suck and recover the ground particles, it is easy to cause friction with the ground and cause wear and tear. It is not convenient to add contact measures to the suction head to enable the suction head to roll in contact with the ground.

[0005] 2. The length of the hand-held rod is fixed and cannot be adjusted in length according to the height of the user. It is not convenient to add adjustment measures to the hand-held rod to enable the hand-held rod to be adjusted in length as needed. INVENTION CONTENTS

[0006] To solve the above technical problems, the utility model provides a granule recovery device for powder spraying rust removal to solve the problems that the existing suction head is easy to cause friction with the ground and cause wear and tear when it is used to suck and recover the ground particles, it is not convenient to add contact measures to the suction head to enable the suction head to roll in contact with the ground; the length of the hand-held rod is fixed and cannot be adjusted in length according to the height of the user, and it is not convenient to add adjustment measures to the hand-held rod to enable the hand-held rod to be adjusted in length as needed.

[0007] The purpose and effect of the granule recovery device for powder spraying rust removal of the utility model are achieved by the following specific technical means:

[0008] A particle recovery device for powder coating rust removal includes a device body; the device body is provided with a particle suction head in the left-right direction, the particle suction head is a trapezoidal cylindrical structure, the bottom end face of the rear wall of the particle suction head is provided with an arc-shaped noodle groove in the left-right direction, both ends of the arc-shaped noodle groove of the particle suction head are provided with a through fixing hole in the left and right directions, a connecting cylinder in the upper and lower directions is provided in the middle of the top of the particle suction head, the inner circumference of the top of the connecting cylinder of the particle suction head is provided with a threaded annular groove, the outer circumference of the top of the connecting cylinder of the particle suction head is provided with a regular hexagonal ring plate, and a rolling contact cylinder in the left-right direction is installed between the fixing holes of the particle suction head through a fixing shaft, and the inner and outer circumferential surfaces of the rolling contact cylinder are provided with a wear-resistant layer.

[0009] Furthermore, a fixed anti-rotation post in the front-to-back direction is installed inside the anti-rotation screw hole of the gripping rod. A threaded post is provided behind the fixed anti-rotation post. A limit ring plate is provided on the outer circumference of the front end of the threaded post of the fixed anti-rotation post. A regular hexagonal prism is provided on the front end face of the threaded post of the fixed anti-rotation post. The rear end of the fixed anti-rotation post is inserted into the strip groove of the telescopic cylindrical rod.

[0010] Furthermore, a fixed anti-detachment post in the front-to-back direction is installed inside the anti-detachment screw hole of the gripping rod. A threaded post is provided behind the fixed anti-detachment post. A limit ring plate is provided on the outer circumference of the front end of the threaded post of the fixed anti-detachment post. A regular hexagonal groove is opened on the front end face of the threaded post of the fixed anti-detachment post. The rear end of the fixed anti-detachment post is inserted into the anti-detachment ring groove of the telescopic adjustment cylinder.

[0011] Furthermore, the lower outer circumference of the telescopic adjustment cylinder is fitted with a gripping rod in the vertical direction, and the lower end of the gripping rod is provided with a bearing cylinder in the vertical direction. A limiting annular groove is formed on the inner circumference of the top of the bearing cylinder of the gripping rod. A through anti-detachment screw hole is formed on the front wall of the limiting annular groove of the gripping rod. A through anti-rotation screw hole is formed on the front wall of the lower part of the bearing cylinder of the gripping rod. A connecting rod in the vertical direction is provided behind the outer circumference of the bearing cylinder of the gripping rod, and a gripping rod in the left and right direction is provided at the top of the connecting rod of the gripping rod.

[0012] Furthermore, the lower outer circumference of the telescopic cylindrical rod is threaded with a telescopic adjustment cylinder in the vertical direction, the inner circumference of the telescopic adjustment cylinder is threaded, the lower outer circumference of the telescopic adjustment cylinder is provided with an anti-detachment ring groove, and the upper outer circumference of the telescopic adjustment cylinder is provided with an annular array of anti-slip grooves.

[0013] Furthermore, the telescopic cylindrical rod has a threaded hose annular groove on the inner circumference of its top, a thread on the outer circumference of its outer circumference, and a vertically oriented strip groove on the front of the outer circumference of its outer circumference.

[0014] Further, the annular groove inside the particle suction head is internally provided with a telescopic cylindrical rod in the up-down direction through screw mounting, and an annular groove with screw is provided on the outer periphery of the bottom of the telescopic cylindrical rod.

[0015] Compared with the prior art, the utility model has the beneficial effects that:

[0016] The rolling contact cylinder is conveniently installed on the particle suction head through the fixing shaft to rotate, and the rolling contact cylinder is conveniently rotated to contact the ground, thereby solving the problem that the suction head is prone to friction with the ground to cause abrasion when the suction head is used to suck and recycle the particles on the ground, and the contact measure is inconvenient to be additionally installed on the suction head to enable the suction head to rollingly contact the ground.

[0017] The telescopic adjusting cylinder is conveniently limited on the gripping hand holding rod through the fixed anti-off column to bear the telescopic cylindrical rod, the telescopic cylindrical rod is conveniently telescopic adjusted through screw engagement, and the length of the hand holding rod is fixed, telescopic adjustment is not applicable according to the height of the user, and the adjustment measure is inconvenient to be additionally installed on the hand holding rod to enable the hand holding rod to be telescopic adjusted according to the need. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 is the front view structural schematic diagram of the utility model.

[0019] Figure 2 is the rear view structural schematic diagram of the utility model.

[0020] Figure 3 is the sectional view structural schematic diagram of the utility model.

[0021] Figure 4 is the disassembled structural schematic diagram of the utility model.

[0022] Figure 5 is the use state schematic diagram of the utility model.

[0023] Figure 6 is the assembly schematic diagram of the particle suction head and the rolling contact cylinder of the utility model.

[0024] In the drawing: 1, device body; 2, particle suction head; 3, rolling contact cylinder; 4, telescopic cylindrical rod; 5, telescopic adjusting cylinder; 6, gripping hand holding rod; 7, fixed anti-off column; 8, fixed rotation stopping column. DETAILED DESCRIPTION

[0025] The embodiment of the application will be further described in detail below in combination with the drawings and examples.

[0026] Example one:

[0027] As shown in the accompanying drawings Figure 1 to the accompanying drawings Figure 6 ​

[0028] The utility model provides a kind of particle recovery device for powder spraying derusting, including device body 1;Device body 1 is provided with left and right direction's particle suction head 2, it is convenient to recycle rust removal particle, particle suction head 2 is trapezoidal cylinder structure as a whole, it is convenient to increase suction range, the bottom end surface of the rear wall of particle suction head 2 is provided with left and right direction's arc face strip slot, it is convenient to roll contact cylinder 3 is put into fit, the arc face strip slot of particle suction head 2 left and right ends is provided with the fixed hole that is left and right through, it is convenient that roll contact cylinder 3 is installed and is rotated, the connecting cylinder of particle suction head 2 top middle is provided with up and down direction, it is convenient to install telescopic cylindrical rod 4, the inside circumference of the connecting cylinder of particle suction head 2 top is provided with annular groove with thread, it is convenient that telescopic cylindrical rod 4 is installed by thread, the outside circumference of the connecting cylinder of particle suction head 2 top is provided with regular hexagon ring plate, it is convenient that particle suction head 2 is rotated disassembly by tool, the fixed hole between particle suction head 2 is installed with left and right direction's roll contact cylinder 3 by fixed shaft, it is convenient that roll contact cylinder 3 is rotated, the inside and outside circumferential surface of roll contact cylinder 3 is provided with wear-resistant layer, it is convenient to increase the service life of roll contact cylinder 3, the inside of the annular groove of particle suction head 2 is installed with up and down direction's telescopic cylindrical rod 4 by thread, it is convenient that external suction hose is connected by telescopic cylindrical rod 4, the outside circumference of telescopic cylindrical rod 4 bottom is provided with annular groove with thread, it is convenient that particle suction head 2 is installed by thread, the inside circumference of telescopic cylindrical rod 4 top is provided with hose ring groove with thread, it is convenient that external suction hose is installed, the outside circumference of telescopic cylindrical rod 4 is provided with thread, it is convenient that telescopic adjusting cylinder 5 is installed by thread, the outside circumference of telescopic cylindrical rod 4 front is provided with up and down direction's strip slot, it is convenient that fixed stop column 8 is inserted into strip slot to stop telescopic cylindrical rod 4, the outside circumference of telescopic cylindrical rod 4 lower part is installed with up and down direction's telescopic adjusting cylinder 5 by thread, it is convenient that telescopic cylindrical rod 4 is engaged by thread and is telescopic, the inside circumference of telescopic adjusting cylinder 5 is provided with thread, it is convenient that telescopic cylindrical rod 4 is installed by thread, the outside circumference of telescopic adjusting cylinder 5 lower part is provided with anti-extraction ring groove, it is convenient that fixed anti-extraction column 7 is inserted to prevent telescopic adjusting cylinder 5, the outside circumference annular array of telescopic adjusting cylinder 5 upper part is provided with anti-skid groove, it is convenient to rotate anti-skid.

[0029] The outer circumference of the lower part of the telescopic adjusting cylinder 5 is sleeved with a holding hand rod 6 in the up-down direction, which is convenient for the hand to hold. The lower end of the holding hand rod 6 is provided with a bearing cylinder in the up-down direction, which is convenient for bearing the fixed anti-dropping column 7 and the fixed anti-rotation column 8. The top part of the bearing cylinder of the holding hand rod 6 is internally provided with a limiting ring groove in the circumferential direction, which is convenient for the telescopic adjusting cylinder 5 to be limited. The front wall of the limiting ring groove of the holding hand rod 6 is provided with an anti-dropping screw hole penetrating in the front-rear direction, which is convenient for the fixed anti-dropping column 7 to be installed through threads. The front wall of the lower part of the bearing cylinder of the holding hand rod 6 is provided with an anti-rotation screw hole penetrating in the front-rear direction, which is convenient for the fixed anti-rotation column 8 to be installed through threads. The rear part of the outer circumference of the bearing cylinder of the holding hand rod 6 is provided with a connecting rod in the up-down direction, which is convenient for force bearing. The top part of the connecting rod of the holding hand rod 6 is provided with a holding rod in the left-right direction, which is convenient for the hand to hold. The anti-dropping screw hole of the holding hand rod 6 is internally provided with a fixed anti-dropping column 7 in the front-rear direction, which is convenient for the telescopic adjusting cylinder 5 to be prevented from dropping. The telescopic adjusting cylinder 5 is convenient for rotation. The rear part of the fixed anti-dropping column 7 is provided with a threaded column, which is convenient for being installed through threads. The outer circumference of the front end of the threaded column of the fixed anti-dropping column 7 is provided with a limiting ring plate, which is convenient for being installed and limited. The front end face of the threaded column of the fixed anti-dropping column 7 is provided with a regular hexagonal groove, which is convenient for being disassembled and assembled through tools. The rear end of the fixed anti-dropping column 7 is inserted into the anti-dropping ring groove of the telescopic adjusting cylinder 5, which is convenient for the telescopic adjusting cylinder 5 to be prevented from dropping. The anti-rotation screw hole of the holding hand rod 6 is internally provided with a fixed anti-rotation column 8 in the front-rear direction, which is convenient for the telescopic cylinder rod 4 to be prevented from rotating. The rear part of the fixed anti-rotation column 8 is provided with a threaded column, which is convenient for being installed through threads. The outer circumference of the front end of the threaded column of the fixed anti-rotation column 8 is provided with a limiting ring plate, which is convenient for being installed and limited. The front end face of the threaded column of the fixed anti-rotation column 8 is provided with a regular hexagonal prism, which is convenient for being disassembled and assembled through tools. The rear end of the fixed anti-rotation column 8 is inserted into the strip-shaped groove of the telescopic cylinder rod 4, which is convenient for the telescopic cylinder rod 4 to be prevented from rotating.

[0030] The specific use mode and role of the embodiment are as follows:

[0031] In this invention, the particle suction head 2 adopts a trapezoidal cylindrical design, which increases the suction range and ensures efficient recovery of rust-removing particles. An arc-shaped groove is provided at the bottom of its rear wall to facilitate the installation and rotation of the rolling contact cylinder 3. Both the inner and outer surfaces of the rolling contact cylinder 3 are provided with wear-resistant layers, thereby extending its service life and reducing ground wear. The top of the particle suction head 2 has a threaded annular groove to facilitate the installation of the telescopic cylindrical rod 4. Simultaneously, the top of the telescopic cylindrical rod 4 also has a hose annular groove to facilitate the installation of the external suction hose. The telescopic cylindrical rod 4 is extended by its external threads. The telescopic adjusting cylinder 5 is installed. The lower part of the telescopic adjusting cylinder 5 has an anti-detachment ring groove, facilitating the insertion of the anti-detachment column 7 to achieve the anti-detachment function. Simultaneously, the upper part of the telescopic adjusting cylinder 5 has an anti-slip groove to prevent slippage during rotation. A gripping handle 6 is fitted onto the lower exterior of the telescopic adjusting cylinder 5 for easy hand gripping. The bearing cylinder of the gripping handle 6 has a limiting ring groove, an anti-detachment screw hole, and an anti-rotation screw hole, used for limiting the telescopic adjusting cylinder 5, fixing the anti-detachment column 7, and fixing the anti-rotation column 8, respectively. In use, the gripping handle 6 is held by hand, and the cylinder rolls against the ground via the rolling contact cylinder 3, as shown in the image. Figure 5 As shown, the particle suction head 2 can be easily moved to suck up and recover rust particles from the ground. At the same time, the overall length of the device body 1 can be adjusted by the telescopic adjustment cylinder 5. When adjusting, rotate the telescopic adjustment cylinder 5 to engage with the telescopic cylindrical rod 4 through the thread engagement, so that the telescopic cylindrical rod 4 can move through the thread engagement. Thus, the overall length of the device body 1 can be adjusted according to actual needs, improving the convenience and comfort of use.

[0032] Example 2:

[0033] The difference from Embodiment 1 is that the regular hexagonal groove of the fixed anti-detachment column 7 can also be set as a regular heptagonal groove, so that the fixed anti-detachment column 7 can only be rotated by a special tool that cooperates with the regular heptagonal groove, thus preventing non-workers from rotating and disassembling the fixed anti-detachment column 7.

[0034] Example 3:

[0035] The difference from Embodiment 1 is that the regular hexagonal prism of the fixed anti-rotation column 8 can also be set as a regular heptagonal prism, thereby requiring a special tool that works with the regular heptagonal prism to rotate the fixed anti-rotation column 8, preventing non-staff members from rotating or disassembling the fixed anti-rotation column 8.

Claims

1. A particle recovery device for powder coating rust removal, characterized in that: Including device body (1), the device body (1) is provided with particle suction head (2), the particle suction head (2) is trapezoidal cylinder structure as a whole, the bottom end face of the rear wall of particle suction head (2) is provided with left-right direction arc surface strip slot, the left and right ends of the arc surface strip slot of particle suction head (2) are provided with left-right through fixing hole, the top middle of particle suction head (2) is provided with up-down direction connecting cylinder, the top inside circumference of the connecting cylinder of particle suction head (2) is provided with threaded annular groove, the top outside circumference of the connecting cylinder of particle suction head (2) is provided with regular hexagon ring plate, the fixing hole between the particle suction head (2) is installed with rolling contact cylinder (3) through fixing shaft, the inside and outside circumferential surface of rolling contact cylinder (3) is provided with wear-resistant layer.

2. The particle recovery device for powder blasting according to claim 1, wherein: The inside of the annular groove of the particle suction head (2) is installed with telescopic cylindrical rod (4) through thread, the bottom outside circumference of telescopic cylindrical rod (4) is provided with threaded annular groove.

3. The particle recovery device for use in powder blasting according to claim 2, characterized in that: The top inside circumference of telescopic cylindrical rod (4) is provided with threaded hose ring groove, the outside circumference of telescopic cylindrical rod (4) is provided with thread, the outside circumference of telescopic cylindrical rod (4) is provided with up-down direction strip slot in front.

4. The particle recovery device for use in powder blasting according to claim 3, characterized in that: The lower outside circumference of telescopic cylindrical rod (4) is installed with telescopic adjusting cylinder (5) through thread, the inside circumference of telescopic adjusting cylinder (5) is provided with thread, the lower outside circumference of telescopic adjusting cylinder (5) is provided with anti-drop ring groove, the upper outside circumference of telescopic adjusting cylinder (5) is provided with anti-skid groove in annular array.

5. The particle recovery device for use in powder blasting according to claim 4, wherein: The lower end of the telescopic adjusting cylinder (5) is provided with a telescopic adjusting cylinder (5), and the lower end of the telescopic adjusting cylinder (5) is provided with a telescopic adjusting cylinder (5). The lower end of the telescopic adjusting cylinder (5) is provided with a telescopic adjusting cylinder (5). The lower end of the telescopic adjusting cylinder (5) is provided with a telescopic adjusting cylinder (5). The lower end of the telescopic adjusting cylinder (5) is provided with a telescopic adjusting cylinder (5). The lower end of the telescopic adjusting cylinder (5) is provided with a telescopic adjusting cylinder (5). The lower end of the telescopic adjusting cylinder (5) is provided with a telescopic adjusting cylinder (5). The lower end of the telescopic adjusting cylinder (5) is provided with a telescopic adjusting cylinder (5). 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The particle recovery device for use in powder blasting according to claim 6, characterized in that: ​